/* site.css */
/* otto365.ai design system.
   Brand tokens verified live (apps365ltd.com / apps365.ai, 2026-09-22): indigo #4554EA, AA indigo text #3A46C8,
   ink #0F162E, charcoal logo #232323. Fonts match the Brief videos (Poppins) + Inter for reading.
   Readability rules (docs/research/20): 19px article body, 50-75 characters per line, line height >= 1.5. */

@font-face { font-family: "Poppins"; font-weight: 600; font-display: swap; src: url("../fonts/poppins-latin-600.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 700; font-display: swap; src: url("../fonts/poppins-latin-700.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 800; font-display: swap; src: url("../fonts/poppins-latin-800.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 100 900; font-display: swap; src: url("../fonts/inter-latin-var.woff2") format("woff2"); }
/* Arial sized to Inter's metrics (measured in Chrome), so the swap to Inter moves no text (CLS; review round 2,
   R2-19). Systems without Arial skip it and use the next font in the stack. */
@font-face { font-family: "Inter Fallback"; src: local("Arial"); size-adjust: 106.81%; ascent-override: 90.81%; descent-override: 22.47%; line-gap-override: 0%; }

:root {
  --indigo: #4554EA;
  --indigo-text: #3A46C8;
  --violet: #6E63F0;
  --lavender: #948CF6;
  --wash: #E8E8F6;
  --ink: #0F162E;
  --ink-2: #3E445B;
  --ink-3: #5B6275;
  --paper: #F6F7FB;
  --card: #FFFFFF;
  --line: #E3E5EE;
  --night: #0A0F24;
  --night-2: #131A38;
  --on-night: #EEF0FC;
  --on-night-2: #B4B9D6;
  --ok: #0E7C4A;
  --warn: #9A5B00;

  --font-display: "Poppins", "Segoe UI", system-ui, sans-serif;
  --font-text: "Inter", "Inter Fallback", "Segoe UI", system-ui, sans-serif;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(15, 22, 46, .06), 0 8px 28px rgba(15, 22, 46, .08);
  --wrap: 1180px;
  --measure: 68ch;
  --gutter: clamp(18px, 4vw, 40px);
  --header-h: 68px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--font-text);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video, canvas { display: block; max-width: 100%; }
img, video { height: auto; }
a { color: var(--indigo-text); text-underline-offset: .18em; text-decoration-thickness: .08em; }
a:hover { color: var(--ink); }
/* Focus ring: indigo on light surfaces; dark surfaces set --focus to a light lavender so the ring keeps
   3:1 against what is behind it (WCAG 1.4.11). The ring sits outside the element, so --focus is set on the
   dark container, never on a focusable that itself sits on a light background. */
:focus-visible { outline: 3px solid var(--focus, var(--indigo)); outline-offset: 3px; border-radius: 6px; }
.on-night, .promo-inline, .promo-card, .sub-promo, .site-footer, .site-header.on-dark, .stop[data-theme="dark"] { --focus: #C9C5FF; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); line-height: 1.15; letter-spacing: -.015em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 1.3rem + 3.4vw, 3.9rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.7vw, 2.5rem); font-weight: 800; }
h3 { font-size: clamp(1.15rem, 1.05rem + .4vw, 1.35rem); font-weight: 700; letter-spacing: -.005em; }
p { margin: 0 0 1em; text-wrap: pretty; }
.ic { display: inline-block; vertical-align: -0.18em; width: 1.15em; height: 1.15em; flex: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; font-weight: 600; }
.skip:focus { top: 12px; color: #fff; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.measure { max-width: var(--measure); }
.eyebrow { font: 600 .8rem/1.2 var(--font-text); letter-spacing: .14em; text-transform: uppercase; color: var(--indigo-text); display: inline-flex; align-items: center; gap: .5em; margin-bottom: 1rem; }
.lead { font-size: clamp(1.1rem, 1rem + .5vw, 1.3rem); color: var(--ink-2); line-height: 1.55; }
.muted { color: var(--ink-3); }
.num { font-variant-numeric: tabular-nums; }

/* Buttons: pill, one primary per view (TikTok lesson: one fixed CTA). */
.btn { --b: var(--indigo); display: inline-flex; align-items: center; gap: .55em; min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1.5px solid var(--b); background: var(--b); color: #fff; font: 600 1rem/1 var(--font-text); text-decoration: none; cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { color: #fff; background: #3743d6; box-shadow: 0 8px 24px rgba(69, 84, 234, .32); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--ink); border-color: rgba(15, 22, 46, .22); }
.btn.ghost:hover { background: #fff; color: var(--ink); box-shadow: var(--shadow); }
.btn.sm { min-height: 40px; padding: 0 16px; font-size: .92rem; }
.on-night .btn.ghost { color: var(--on-night); border-color: rgba(238, 240, 252, .35); }
.on-night .btn.ghost:hover { background: rgba(255, 255, 255, .08); color: #fff; }

/* Header: fixed logo + one CTA, always. The home header gets .solid and .on-dark from script; without script it
   stays the solid paper header, so it reads over the night stops too (review round 2, R2-15). */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h); display: flex; align-items: center; transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease; }
.site-header.solid, .page .site-header, .home .site-header { background: rgba(246, 247, 251, .86); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); box-shadow: 0 1px 0 var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { height: 36px; width: auto; }
.brand .logo-white { display: none; }
.site-header.on-dark .brand .logo-white { display: block; }
.site-header.on-dark .brand .logo-ink { display: none; }
/* .82 keeps every nav link at 5.5:1 or more over the brightest tunnel frame (review round 2, R2-22; .74 gave 4.68:1). */
.site-header.on-dark.solid { background: rgba(10, 15, 36, .82); box-shadow: 0 1px 0 rgba(255, 255, 255, .07); }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: var(--ink-2); text-decoration: none; font-weight: 550; font-size: .95rem; padding: 8px 12px; border-radius: 999px; white-space: nowrap; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: rgba(15, 22, 46, .06); }
.site-header.on-dark .nav a { color: var(--on-night-2); }
.site-header.on-dark .nav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.menu-btn { display: none; margin-left: auto; background: none; border: 0; padding: 10px; color: inherit; cursor: pointer; }
.site-header .btn.sm { flex: none; white-space: nowrap; } /* the one CTA is never squeezed or wrapped */
/* While its own target (the sign-up form) is on screen, the header CTA steps back to a ghost pill (layout.php,
   review round 2, R2-24), so one filled "Get the Brief" button is in view. On the dark header it stays readable. */
.site-header.on-dark .btn.sm.ghost { color: var(--on-night); border-color: rgba(238, 240, 252, .35); }
.site-header.on-dark .btn.sm.ghost:hover { background: rgba(255, 255, 255, .08); color: #fff; }
/* Up to 1100px the links sit behind the Menu button (review round 2, R2-23): with text spacing (WCAG 1.4.12) the
   full header no longer fits there and the CTA was cut off. */
@media (max-width: 1100px) {
  /* The open menu scrolls on its own when the screen is short (320 x 256 at 400% zoom, WCAG 1.4.10). It is a
     paper panel even under a dark header, so its focus ring is indigo. */
  .nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; background: var(--paper); padding: 10px var(--gutter) 18px; box-shadow: 0 12px 24px rgba(15, 22, 46, .12); max-height: calc(100vh - var(--header-h)); max-height: calc(100dvh - var(--header-h)); overflow-y: auto; overscroll-behavior: contain; --focus: var(--indigo); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; font-size: 1.05rem; color: var(--ink) !important; }
  .menu-btn { display: inline-flex; margin-left: 0; }
  .site-header.on-dark .menu-btn { color: #fff; }
  .site-header .btn.sm { margin-left: auto; min-height: 38px; padding: 0 14px; font-size: .88rem; }
  .brand img { height: 32px; }
  .site-header .wrap { gap: 8px; }
}

main { display: block; }
.page main { padding-top: calc(var(--header-h) + clamp(24px, 5vw, 56px)); padding-bottom: clamp(48px, 8vw, 96px); }
.section { padding-block: clamp(56px, 9vw, 112px); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.chip { display: inline-flex; align-items: center; gap: .4em; padding: 5px 12px; border-radius: 999px; font: 600 .82rem/1.2 var(--font-text); background: var(--wash); color: var(--indigo-text); }
.chip.ai { background: #EEF0FF; color: var(--ink-2); }
.breadcrumbs { font-size: .9rem; color: var(--ink-3); margin-bottom: 18px; }
.breadcrumbs a { color: var(--ink-3); }

/* Long-form reading (policy pages + episode text). */
.prose { max-width: var(--measure); font-size: 1.1875rem; line-height: 1.65; color: var(--ink-2); overflow-wrap: anywhere; }
.prose h2 { font-size: clamp(1.35rem, 1.2rem + .7vw, 1.75rem); margin-top: 2em; color: var(--ink); }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li { margin: .35em 0; }
.prose strong { color: var(--ink); }
.updated { font-size: .9rem; color: var(--ink-3); }

/* Footer */
.site-footer { position: relative; z-index: 1; background: var(--night); color: var(--on-night-2); padding: 64px 0 36px; font-size: .95rem; }
.site-footer a { color: var(--on-night); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: #fff; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr 1fr; gap: 32px; }
.foot-grid h2 { font: 700 .82rem/1.2 var(--font-text); letter-spacing: .12em; text-transform: uppercase; color: var(--on-night-2); margin-bottom: 14px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.foot-brand img { height: 40px; width: auto; margin-bottom: 16px; }
.foot-brand p { max-width: 34ch; }
.disclosure-line { display: inline-flex; gap: .5em; align-items: center; color: var(--on-night); font-weight: 600; }
.foot-legal { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 44px; padding-top: 22px; display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; font-size: .86rem; }
/* Links inside running text are underlined, not told apart by colour alone (WCAG 1.4.1). */
.foot-legal a { text-decoration: underline; text-underline-offset: .18em; }
.social { display: flex; gap: 8px; flex-wrap: wrap; }
.social a { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 12px; background: rgba(255, 255, 255, .06); }
.social a:hover { background: rgba(255, 255, 255, .14); }
.social svg { width: 18px; height: 18px; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
.foot-brand .commercial { font-size: .88rem; max-width: 36ch; }

/* Content pages */
.page-head { margin-bottom: clamp(28px, 4vw, 44px); }
.page-head .lead { margin-top: .4em; }
/* Inner pages carry a quiet echo of the home page's On Air world: the tunnel of glyph tiles with the Apps 365
   glyph (three tiles and a plus) at its heart. CSS background only, so it is never read out, and it never
   sits under text: a small tile beside the breadcrumb row, or beside the page head on wide screens. It is a
   float (not absolutely positioned), so contrast checkers can still read the page background; the negative
   bottom margin keeps it from pushing any line below the breadcrumbs. */
.wrap:has(> .page-head)::before {
  content: ""; float: right; position: relative; z-index: -1; pointer-events: none;
  width: 44px; height: 44px; margin: -10px 0 -14px 12px; opacity: .9;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 240 240' fill='none'%3E%3Crect x='2' y='2' width='236' height='236' rx='37' stroke='%234554EA' stroke-opacity='.14' stroke-width='1.5'/%3E%3Crect x='26' y='26' width='188' height='188' rx='29.5' stroke='%236E63F0' stroke-opacity='.2' stroke-width='1.75'/%3E%3Crect x='47' y='47' width='146' height='146' rx='23' stroke='%23948CF6' stroke-opacity='.3' stroke-width='2'/%3E%3Crect x='65' y='65' width='110' height='110' rx='17' stroke='%234554EA' stroke-opacity='.36' stroke-width='2.25'/%3E%3Crect x='80' y='80' width='80' height='80' rx='12.5' stroke='%236E63F0' stroke-opacity='.5' stroke-width='2.5'/%3E%3Cg fill='%234554EA' fill-opacity='.5'%3E%3Crect x='99' y='99' width='18' height='18' rx='4.5'/%3E%3Crect x='123' y='99' width='18' height='18' rx='4.5'/%3E%3Crect x='99' y='123' width='18' height='18' rx='4.5'/%3E%3Crect x='124' y='130' width='16' height='4' rx='2'/%3E%3Crect x='130' y='124' width='4' height='16' rx='2'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat,
    radial-gradient(closest-side, rgba(148, 140, 246, .16), rgba(148, 140, 246, 0));
}
@media (min-width: 1100px) {
  .wrap:has(> .page-head)::before { width: clamp(240px, 22vw, 300px); height: clamp(240px, 22vw, 300px); margin: 6px 0 -100% 24px; opacity: .8; }
}
/* A page with its own picture (prose.php $figure, review round 2, R2-53: /about shows Otto365 at the desk) floats
   it beside the page head instead of the tunnel tile. Below 1100px neither is shown: the small tile read as a stray
   icon there, and the picture would push the text down. */
.page-figure { float: right; width: clamp(240px, 24vw, 320px); margin: 0 0 16px 32px; }
.page-figure img { width: 100%; height: auto; }
.wrap:has(> .page-figure)::before { content: none; }
@media (max-width: 1099px) {
  .page-figure { display: none; }
  .wrap:has(> .page-head)::before { content: none; }
}
/* A row of process steps on a content page (R2-53, /how-we-make-the-brief): four across from 700px, two below. */
.step-row, .prose .step-row { list-style: none; margin: 0 0 clamp(28px, 4vw, 40px); padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.step-row li, .prose .step-row li { margin: 0; display: grid; gap: 8px; align-content: start; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); font: 650 1rem/1.35 var(--font-text); }
.step-row .ic { width: 26px; height: 26px; color: var(--indigo-text); }
@media (min-width: 700px) { .step-row, .prose .step-row { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.callout { display: flex; gap: 12px; align-items: flex-start; background: var(--wash); border-radius: var(--radius-sm); padding: 16px 18px; color: var(--ink); }
.callout .ic { color: var(--indigo-text); margin-top: .25em; }
.prose .empty { display: flex; gap: 10px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; }
.prose .empty .ic { color: var(--ok); margin-top: .3em; }
.prose code { font-size: .9em; background: var(--wash); padding: .1em .35em; border-radius: 6px; }
.log { list-style: none; padding: 0; display: grid; gap: 14px; }
.prose .log { padding-left: 0; }
.log li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; }
.empty-state { display: flex; gap: clamp(18px, 4vw, 36px); align-items: flex-start; padding: clamp(24px, 5vw, 48px); max-width: 860px; }
.empty-state .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.empty-mark { flex: none; width: clamp(72px, 12vw, 120px); aspect-ratio: 1; border-radius: 28px; background: var(--wash); display: grid; place-items: center; }
.empty-mark img { width: 72%; }
@media (max-width: 600px) { .empty-state { flex-direction: column; align-items: flex-start; } }
.ep-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr)); gap: 18px; }
.ep-card { position: relative; display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding: 14px; align-items: start; }
.ep-card:hover { box-shadow: 0 1px 2px rgba(15, 22, 46, .06), 0 14px 36px rgba(15, 22, 46, .14); }
.ep-thumb { width: 92px; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 12px; background: var(--night); }
.ep-text { display: grid; gap: 6px; }
.ep-meta { display: flex; gap: 8px; align-items: center; margin: 0; font-weight: 700; color: var(--indigo-text); }
.ep-title { font: 700 1.15rem/1.3 var(--font-display); margin: 0; }
.ep-title a { color: var(--ink); text-decoration: none; }
.ep-title a:hover { text-decoration: underline; }
/* The whole card is clickable, but the link text stays the headline. */
.ep-title a.stretched::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.ep-title a.stretched:focus-visible::after { outline: 3px solid var(--focus, var(--indigo)); outline-offset: 3px; }
.ep-hook { color: var(--ink-2); margin: 0; }
.chip.warn { background: #FFF3E0; color: var(--warn); }
.nav a.nav-out { display: inline-flex; align-items: center; gap: 4px; color: var(--indigo-text); font-weight: 650; }
.site-header.on-dark .nav a.nav-out { color: #C9C5FF; }
.nav a.nav-out .ic { width: .95em; height: .95em; }

/* Without script (review round 2, R2-15) the Menu button could not open the menu and the Pause button has nothing to
   pause, so neither is shown; every header link is also in the footer. !important beats home.css's reserved-space
   rule for the Pause button (.motion-btn.pending[hidden], 0,3,0). Where the links sit behind the Menu button, the
   CTA keeps its place at the right: home.css takes its auto margin away when the Pause button comes before it. */
@media (scripting: none) {
  .menu-btn, .motion-btn { display: none !important; }
}
@media (scripting: none) and (max-width: 1100px) {
  .site-header .btn.sm { margin-left: auto !important; }
}
/* episode.css */
/* Episode (story + watch) page. The video sits beside the text on wide screens, above it on phones. */
.ep-head { grid-area: head; max-width: 44rem; }
.ep-head .kicker { color: var(--indigo-text); }
.ep-head h1 { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.3rem); }
.meta { grid-area: meta; list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--ink-3); font-size: .95rem; }
.meta li { display: inline-flex; align-items: flex-start; gap: 6px; }
.meta .ic { color: var(--indigo-text); width: 1em; height: 1em; margin-top: .22em; }
.meta .chip .ic { margin-top: 0; }
/* Desktop: player on the left from the top of the article; phones: headline, player, meta, story
   (video above the fold, docs/research/33 P0-6). */
.ep-body { display: grid; grid-template-columns: minmax(260px, 360px) minmax(0, 1fr); grid-template-areas: "player head" "player meta" "player story"; grid-template-rows: auto auto 1fr; column-gap: clamp(24px, 4vw, 56px); row-gap: 18px; align-items: start; }
.player { grid-area: player; margin: 0; }
/* Withdrawn under correction: no player, one column. */
.ep-body.no-player { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "meta" "story"; grid-template-rows: auto; }
/* Sticky only when the whole player (video, how-made note, key moments: about 1140 px) fits under the header, so a
   focused link inside it can never sit off-screen (WCAG 2.4.11, review round 1 item 13). */
@media (min-width: 901px) and (min-height: 1260px) {
  .player { position: sticky; top: calc(var(--header-h) + 16px); }
}
/* Long words and raw URLs (correction notes) wrap instead of pushing the page sideways at 320 px (WCAG 1.4.10). */
.episode { overflow-wrap: anywhere; }
.player video { width: 100%; height: auto; aspect-ratio: 9 / 16; border-radius: 22px; background: var(--night); box-shadow: 0 18px 48px rgba(15, 22, 46, .24); }
.how-made { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; font-size: .92rem; color: var(--ink-2); background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.how-made .ic { color: var(--indigo-text); margin-top: .2em; }
.story { grid-area: story; max-width: 44rem; margin-top: 10px; }
.story h2 { margin-top: 1.4em; }
.story section:first-child h2 { margin-top: 0; }
.story h2 .ic { color: var(--indigo-text); margin-right: 8px; vertical-align: -3px; }
.points { padding-left: 1.4em; }
.points li { margin: .7em 0; }
.points strong { display: block; color: var(--ink); }
.cite { display: inline-grid; place-items: center; min-width: 1.35em; height: 1.35em; margin-left: .3em; padding: 0 .3em; border-radius: 999px; background: var(--wash); color: var(--indigo-text); font: 700 .7em/1 var(--font-text); text-decoration: none; vertical-align: .35em; }
.cite:hover { background: var(--indigo); color: #fff; }
.label-opinion { display: inline-flex; align-items: center; gap: 6px; font-size: .88rem !important; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--warn); background: #FFF6E8; padding: 4px 10px; border-radius: 999px; margin-bottom: .6em; }
.do-card { background: linear-gradient(135deg, #EEF0FF, #E8E8F6); border-left: 4px solid var(--indigo); border-radius: 14px; padding: 16px 18px; color: var(--ink); }
.sources { padding-left: 1.4em; }
.sources li { margin: .5em 0; scroll-margin-top: calc(var(--header-h) + 20px); }
.sources a { font-weight: 600; }
.ic.sm { width: .9em; height: .9em; vertical-align: -1px; margin-left: 2px; }
.fold { margin-top: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.fold summary { cursor: pointer; padding: 14px 16px; font-weight: 650; color: var(--ink); list-style-position: inside; }
.fold[open] summary { border-bottom: 1px solid var(--line); }
.fold > :not(summary) { padding: 6px 18px 12px; }
.quotes { list-style: none; padding: 0; }
.quotes blockquote { margin: 12px 0 4px; padding-left: 14px; border-left: 3px solid var(--lavender); color: var(--ink); }
.quotes blockquote p { margin: 0; }
.transcript h3 { font-size: 1rem; margin-top: 1.2em; }
/* A promotional sign-off (Friday "Comment AUDIT") inside the transcript is labelled as ours (CAP 2.1/2.3, item 5). */
.promo-inline-transcript { margin: 12px 0 0; padding: 10px 14px; border-left: 3px solid var(--lavender); border-radius: 0 12px 12px 0; background: var(--wash); }
.promo-inline-transcript p:last-child { margin-bottom: 0; }
.promo-inline-transcript .promo-label { margin: 0 0 6px; font: 700 .75rem/1.2 var(--font-text); letter-spacing: .14em; text-transform: uppercase; color: var(--indigo-text); }
.corrections, .story .corrections, .story .quotes { list-style: none; padding: 0; }
.corrections li { background: #FFF8EE; border-radius: 12px; padding: 12px 14px; margin: 10px 0; }
.notice { display: inline-flex; gap: 10px; align-items: center; background: #FFF3E0; color: #5A3A00; border-radius: 999px; padding: 8px 14px; margin: 0 0 14px; font-size: .95rem; }
.notice .ic { color: var(--warn); margin-top: .2em; }
.disclaimer { margin-top: 2em; font-size: .95rem !important; color: var(--ink-3) !important; border-top: 1px solid var(--line); padding-top: 14px; }
.ep-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; }
.ep-nav a { display: grid; gap: 4px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; color: var(--ink); text-decoration: none; font-weight: 650; }
.ep-nav a.next { text-align: right; grid-column: 2; }
.promo-inline { margin-top: clamp(40px, 6vw, 72px); padding: clamp(22px, 4vw, 40px); border-radius: 24px; background: linear-gradient(135deg, #111842, #1B2466 60%, #2A2F8F); color: var(--on-night); }
.promo-inline h2 { color: #fff; }
.promo-inline p { color: var(--on-night-2); max-width: 60ch; }
.promo-inline .promo-label { display: inline-block; font: 700 .75rem/1 var(--font-text); letter-spacing: .14em; text-transform: uppercase; color: #fff; background: rgba(255, 255, 255, .12); padding: 7px 12px; border-radius: 999px; }
@media (max-width: 900px) {
  .ep-body { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "player" "meta" "story"; grid-template-rows: auto; }
  .player { max-width: 380px; margin-inline: auto; }
  .player video.v-9x16 { max-height: min(76svh, 720px); width: auto; max-width: 100%; margin-inline: auto; }
  .ep-nav { grid-template-columns: 1fr; }
  .ep-nav a.next { grid-column: auto; text-align: left; }
}
.promo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 18px 0 22px; }
.promo-tile { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; align-items: start; padding: 16px 18px; border-radius: 16px; background: rgba(255, 255, 255, .07); color: var(--on-night); text-decoration: none; box-shadow: inset 0 0 0 1px rgba(148, 140, 246, .22); transition: background .2s ease, transform .15s ease; }
.promo-tile:hover { background: rgba(255, 255, 255, .12); color: #fff; transform: translateY(-1px); }
.promo-tile .ic { grid-row: span 2; width: 28px; height: 28px; color: var(--lavender); margin-top: 2px; }
.promo-tile strong { color: #fff; font-weight: 650; }
.promo-tile span { color: var(--on-night-2); font-size: .95rem; }
.ep-signup { margin-top: 44px; max-width: 44rem; padding: clamp(20px, 3vw, 28px); border-radius: 20px; background: #fff; border: 1px solid var(--line); }
.ep-signup h2 { font-size: 1.4rem; }
.moments { margin-top: 12px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 10px 14px; }
.moments-title { margin: 0 0 6px; font: 700 .78rem/1.2 var(--font-text); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.moments ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.moments a { display: flex; gap: 10px; padding: 5px 4px; border-radius: 8px; color: var(--ink); text-decoration: none; font-size: .95rem; }
.moments a:hover { background: var(--wash); }
.moments .num { color: var(--indigo-text); font-weight: 650; min-width: 2.6em; }
.ep-nav-item { display: grid; gap: 4px; margin: 0; padding: 16px 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.ep-nav-item a { color: var(--ink); font-weight: 650; }
.ep-nav-item.next { text-align: right; grid-column: 2; }
@media (max-width: 900px) { .ep-nav-item.next { grid-column: auto; text-align: left; } }
/* signup.css */
/* The Otto365 AI Brief by email: the sign-up form partial (app/views/partials/signup.php) and the
   /subscribe, /subscribe/confirm and /unsubscribe pages. Uses the site.css tokens only.
   Variants: .signup-light (on paper or white) and .signup-dark (on the night sections). */

.signup { margin: 0; max-width: 560px; }
.signup-fields { border: 0; margin: 0; padding: 0; min-width: 0; }
/* Only the field and the button fade while sign-up is unavailable: the label, the consent line and its still-working
   Privacy notice link (and its focus ring) keep full contrast (review round 2, R2-44). */
.signup-fields[disabled] .signup-row { opacity: .6; }
.signup-promise { margin: 0 0 14px; color: var(--ink-2); font-size: 1rem; line-height: 1.55; }
.signup-label { display: block; margin: 0 0 6px; font-weight: 650; font-size: .95rem; color: var(--ink); }
.signup-row { display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; }
.signup-input {
  flex: 1 1 240px; min-width: 0; min-height: 50px; padding: 0 16px;
  /* WCAG 1.4.11: the border is the only edge of the field, so it needs 3:1. #767C92 is 4.1:1 on white. */
  border: 1.5px solid #767C92; border-radius: 14px; background: #fff; color: var(--ink);
  font: 400 1.05rem/1.2 var(--font-text);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.signup-input:hover { border-color: var(--ink-3); }
.signup-input:focus { outline: 3px solid var(--indigo); outline-offset: 2px; border-color: var(--indigo); }
.signup-input[aria-invalid="true"] { border-color: #B42318; }
.signup-btn { flex: 0 0 auto; min-height: 50px; justify-content: center; }
.signup-btn .ic { width: 1.05em; height: 1.05em; }
.signup-error { display: flex; gap: .5em; align-items: flex-start; margin: 10px 0 0; color: #B42318; font-weight: 600; font-size: .95rem; line-height: 1.45; }
.signup-error .ic { margin-top: .15em; }
.signup-consent { margin: 12px 0 0; font-size: .9rem; line-height: 1.5; color: var(--ink-3); }
.signup-consent a { color: var(--indigo-text); }
.signup-note { display: flex; gap: .5em; align-items: flex-start; margin: 0 0 12px; padding: 10px 14px; border-radius: 12px; background: var(--wash); color: var(--ink); font-size: .95rem; line-height: 1.45; }
.signup-note .ic { margin-top: .15em; color: var(--indigo-text); }
/* Honeypot: off-screen for people, still in the form for bots. Not display:none (some bots skip hidden fields). */
.signup-hp { position: absolute !important; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 480px) {
  .signup-btn { flex: 1 1 100%; }
}

/* Dark variant */
.signup-dark .signup-promise { color: var(--on-night-2); }
.signup-dark .signup-label { color: var(--on-night); }
.signup-dark .signup-input { background: rgba(255, 255, 255, .06); border-color: rgba(238, 240, 252, .55); color: #fff; }
.signup-dark .signup-input:hover { border-color: rgba(238, 240, 252, .75); }
.signup-dark .signup-input:focus { outline-color: var(--lavender); border-color: var(--lavender); }
.signup-dark .signup-input[aria-invalid="true"] { border-color: #FDA29B; }
.signup-dark .signup-error { color: #FDA29B; }
.signup-dark .signup-consent { color: var(--on-night-2); }
.signup-dark .signup-consent a { color: var(--on-night); }
.signup-dark .signup-note { background: rgba(255, 255, 255, .08); color: var(--on-night); }
.signup-dark .signup-note .ic { color: var(--lavender); }

/* Email pages */
.sub-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.sub-head { margin-bottom: 24px; }
.sub-head h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.2rem); }
.sub-head .lead { max-width: 46ch; }
.sub-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(20px, 3.5vw, 32px); scroll-margin-top: calc(var(--header-h) + 16px); }
.sub-done-line { display: flex; gap: 12px; align-items: flex-start; margin: 0 0 12px; color: var(--ink); font-size: 1.05rem; line-height: 1.55; }
.sub-done-line .ic { flex: none; width: 28px; height: 28px; padding: 5px; border-radius: 999px; background: #E3F4EC; color: var(--ok); margin-top: 0; }
.sub-small { font-size: .92rem; color: var(--ink-3); margin: 0; }
.sub-get { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 3.5vw, 32px); }
.sub-get h2 { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.7rem); }
.sub-list { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 16px; }
.sub-list li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start; color: var(--ink-2); line-height: 1.55; }
.sub-list strong { display: block; color: var(--ink); font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; margin-bottom: 2px; }
.sub-ic { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--wash); color: var(--indigo-text); }
.sub-ic .ic { width: 20px; height: 20px; }
.sub-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.sub-follow { margin-top: clamp(40px, 6vw, 72px); }
.sub-grid .sub-follow { margin-top: 0; }
.sub-follow h2 { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.7rem); }
.sub-follow p { color: var(--ink-2); }
.sub-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.sub-links .btn { min-height: 44px; }
.sub-promo {
  margin-top: clamp(40px, 6vw, 72px); border-radius: 26px; padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(135deg, #111842, #1B2466 60%, #2A2F8F); color: var(--on-night);
}
.sub-promo h2 { color: #fff; max-width: 24ch; font-size: clamp(1.4rem, 1.15rem + 1.1vw, 2rem); }
.sub-promo p { color: var(--on-night-2); max-width: 60ch; }
.sub-promo-label { display: inline-block; font: 700 .75rem/1 var(--font-text); letter-spacing: .14em; text-transform: uppercase; color: #fff; background: rgba(255, 255, 255, .12); padding: 7px 12px; border-radius: 999px; }
.sub-promo .btn.ghost { color: #fff; border-color: rgba(255, 255, 255, .38); }
.sub-promo .btn.ghost:hover { background: rgba(255, 255, 255, .1); color: #fff; }
/* The promotion's picture, Otto365 the builder (review round 2, R2-53: the card's right side was empty). The two
   columns apply only when the picture is in the markup (<img class="sub-promo-art"> in subscribe-promo.php); below
   900px the picture is not shown. */
.sub-promo-art { display: block; width: min(100%, 360px); height: auto; margin-top: 18px; }
.sub-promo:has(> .sub-promo-art) { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 36%); column-gap: 32px; align-items: center; }
.sub-promo:has(> .sub-promo-art) > :not(.sub-promo-art) { grid-column: 1; }
/* A grid item stretches to its column; the label stays a pill the width of its words, as below 900px. */
.sub-promo:has(> .sub-promo-art) > .sub-promo-label { justify-self: start; }
.sub-promo:has(> .sub-promo-art) > .sub-promo-art { grid-column: 2; grid-row: 1 / span 4; width: 100%; margin: 0; }
@media (max-width: 900px) {
  .sub-promo:has(> .sub-promo-art) { display: block; }
  .sub-promo-art { display: none; }
}
.sub-narrow { max-width: 680px; }
@media (max-width: 900px) {
  .sub-grid { grid-template-columns: 1fr; }
}